S. Araç, M. Özel, A. Aslan, S. Alpar, and E. Araç, “Presenting characteristics, comorbidities, and outcomes among 390 patients hospitalized with COVID-19 pneumonia in a tertiary hospital”, Eur Res J, vol. 7, no. 6, pp. 559–565, Nov. 2021, doi: 10.18621/eurj.886378.